In the US Evil Angel is the biggest tranny producer. Until last year's HIV outbreak they supposedly had some bareback in each video but were never totally bareback. I doubt there's bareback any more.
Avalon imports foreign tranny videos and had a line (She Male Samba Mania) that had gone bareback, anal creampie, etc, up until last year's HIV outbreak. Not surprisingly they quit that fetish.
I don't remember others. Search posts around the time of last year's outbreak (some discussion about what was going on tranny videos, since the HIV outbreak may have come from the tranny performer world). As long as tranny porn as an industry depends on condoms and not testing/exclusion bareback is just too risky.
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"If they can't picture me with a knife, forcing them to strip in an alley, I don't want any part of it. It's humiliating." - windsock